World sea water temperatures

Water temperature in Au Sable (MI) in April

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Is it warm enough to swim in Au Sable in April? Average water temperature in Au Sable in April is 36.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Au Sable in April is 42.3°F, and the coldest is 31.8°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Au Sable

Changes water temperature in Au Sable in April 2025, 2024

To get an accurate forecast for the water temperature in Au Sable for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Au Sable, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of April.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
April 134.7°F35.1°F31.8°F38.3°F
April 234.7°F35.1°F32.5°F36.1°F
April 334.5°F34.5°F33.1°F38.1°F
April 435.2°F34.5°F32.9°F38.3°F
April 535.1°F36.1°F32.9°F36.9°F
April 634.2°F36.5°F33.1°F38.7°F
April 735.6°F37°F33.6°F41.2°F
April 835.4°F37°F33.1°F40.1°F
April 935.2°F36.7°F33.6°F39.6°F
April 1036.9°F36.9°F33.6°F36.9°F
April 1136°F36.9°F33.3°F36.9°F
April 1236.1°F36.9°F33.3°F39.7°F
April 1336.1°F38.7°F33.4°F39°F
April 1437.4°F37.8°F34.3°F41°F
April 1537.2°F38.7°F34.3°F40.5°F
Day 2025 2024 Min Max
April 1637.4°F37.9°F37.4°F37.9°F
April 1737.6°F38.1°F34.3°F42.3°F
April 1836.5°F37.9°F34°F39°F
April 1936.5°F39.7°F33.8°F41.4°F
April 2036.7°F38.7°F34°F38.8°F
April 2140.6°F40.1°F36.7°F40.6°F
April 2238.1°F40.1°F33.3°F40.1°F
April 2339.2°F39.9°F34.2°F41.4°F
April 2437.8°F41.4°F34.5°F41.4°F
April 2537.6°F41°F36.7°F41.5°F
April 2639.9°F39.7°F34.5°F41.5°F
April 2738.5°F41.4°F34.9°F42.3°F
April 2839.2°F38.7°F36.1°F41.7°F
April 2939.6°F40.8°F36.9°F42.1°F
April 3039.6°F40.6°F35.4°F41.4°F
Au Sable water temp chart in April

Average water temperature in Au Sable in April over a decade

20162017201820192020
36.9°F37°F34.2°F35.8°F37.2°F
20212022202320242025
38.5°F35.4°F37.4°F38.1°F37°F

Au Sable water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in April?

Want to know where the water temperature in April is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Au Sable is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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